The 800 - 1800 metre wide asteroid (385186) 1994 AW1 will make a close pass (25.3 LD, 0.0650 AU) travelling at 12.45 km/second, to the Earth-Moon system on the 15th July 2015 @ 14:20 UT ±00:01.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).